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HTML5 Tutorials

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    HTML5 Form novalidate

    I've been very skeptical when it comes to HTML5 form validation.  It's a nice addition, don't get me wrong, but let's be honest -- it's not very powerful and it could get in the way of the JavaScript validation you have in place.  If you want HTML5 form validation to...

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    From Webcam to Animated GIF: the Secret Behind chat.meatspac.es!

    My team mate Edna Piranha is not only an awesome hacker; she's also a fantastic philosopher! Communication and online interactions is a subject that has kept her mind busy for a long time, and it has also resulted in a bunch of interesting experimental projects...

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    The Difference Between Anchors, Inputs and Buttons

    One of the things I love about CSS is how easy it is to make one element look like another. In the example above, the first element is an anchor, the second is a button and the third is an input. I've overridden the...

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    HTML5 Input Types Alternative

    As you may know, HTML5 has introduced several new input types: number, date, color, range, etc. The question is: should you start using these controls or not? As much as I want to say "Yes", I think they are not yet ready for any real life...

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    8 HTML Elements You’re Not Using (and Should Be)

    In today's web, the word semantic gets thrown around a lot. But what does semantic mean? Why is it important? Semantic HTML expresses the meaning of the document. It's less about how the text looks and more about what it is. Good semantic markup helps both people...

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    RTL and Punctuation

    Working on a website that supports RTL (right-to-left) really opens your eyes to some problem in modern web development.  Despite websites being read in RTL since, well, LTR, it's amazing that we don't have more widely supported -start and -endproperties and values in CSS.  The side...

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    Meatspaces Chat is Amazing

    My Mozilla colleague Edna Piranha is crazy smart and creative.  She's also just crazy, but that's beside the point.  Her past projects include NoodleApp, the best App.Net client available, as well as numerous Mozilla projects.  Her latest project is her best: Meatspaces chat.  Meatspaces chat is...

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    Building a 3D MMO Using WebSockets

    Hi there! My name is Nick Janssen, creator of Ironbane, a 3D MMO that uses WebGL and WebSockets. With this article I would like to give you a better insight in MMO's and make you less afraid of the complexities involved in building one.

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    Using TogetherJS

    Last week I highlighted five awesome Mozilla technologies that most people have never heard of.  Before the Mozilla Summit in Santa Clara, even I (a Mozilla employee)  had not heard of a few of them.  One of the projects I was most impressed by...

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    Making Sprite-based Games with Canvas

    The canvas element was introduced with HTML5 and provides an API for rendering on the web. The API is simple, but if you've never done graphics work before it might take some getting used to. It has great cross-browser support at this point, and...